Hitachi E Series Operation Manual page 5

INDOOR UNIT INDICATORS
OPERATION INDICATOR
TEMPORARY SWITCH
Use this switch to start and stop when the remote controller does not work.
By pressing the temporary switch, the operation is done in automatic operation mode.
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When the operation is done using the temporary switch after the power source is turned off and turn
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on again, the operation is done in automatic mode.
OPERATION LAMP
This lamp lights during operation.
The OPERATION LAMP fl ashes/dimming in the following
cases during heating.
(1) During preheating
For about 2–3 minutes after starting up.
(2) During defrosting
Defrosting will be performed about once every one
hour when frost forms on the heat exchanger of the
outdoor unit, for 5–10 minutes each time.
TIMER LAMP
This lamp lights when the timer is working.
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